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From: "Ni, Ray" <ray.ni@intel.com>
To: Chao Li <lichao@loongson.cn>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Kumar, Rahul R" <rahul.r.kumar@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Leif Lindholm <quic_llindhol@quicinc.com>,
	"Ard Biesheuvel" <ardb+tianocore@kernel.org>,
	Sami Mujawar <sami.mujawar@arm.com>,
	Sunil V L <sunilvl@ventanamicro.com>,
	"Warkentin, Andrei" <andrei.warkentin@intel.com>
Subject: Re: [edk2-devel] [PATCH v3 07/13] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg
Date: Mon, 15 Apr 2024 02:10:31 +0000	[thread overview]
Message-ID: <MN6PR11MB82446DCBFEBD3FB9373D91458C092@MN6PR11MB8244.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20240412073424.3487475-1-lichao@loongson.cn>

[-- Attachment #1: Type: text/plain, Size: 4387 bytes --]

Reviewed-by: Ray Ni <ray.ni@intel.com>

Thanks,
Ray
________________________________
From: Chao Li <lichao@loongson.cn>
Sent: Friday, April 12, 2024 15:34
To: devel@edk2.groups.io <devel@edk2.groups.io>
Cc: Ni, Ray <ray.ni@intel.com>; Kumar, Rahul R <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>; Leif Lindholm <quic_llindhol@quicinc.com>; Ard Biesheuvel <ardb+tianocore@kernel.org>; Sami Mujawar <sami.mujawar@arm.com>; Sunil V L <sunilvl@ventanamicro.com>; Warkentin, Andrei <andrei.warkentin@intel.com>
Subject: [PATCH v3 07/13] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg

Add a new header file CpuMmuLib.h, whitch is referenced from
ArmPkg/Include/Library/ArmMmuLib.h. Currently, only support for
LoongArch64 is added, and more architectures can be accommodated in the
future.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4734

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Cc: Andrei Warkentin <andrei.warkentin@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
---
 UefiCpuPkg/Include/Library/CpuMmuLib.h | 41 ++++++++++++++++++++++++++
 UefiCpuPkg/UefiCpuPkg.dec              |  4 +++
 2 files changed, 45 insertions(+)
 create mode 100644 UefiCpuPkg/Include/Library/CpuMmuLib.h

diff --git a/UefiCpuPkg/Include/Library/CpuMmuLib.h b/UefiCpuPkg/Include/Library/CpuMmuLib.h
new file mode 100644
index 0000000000..e6cfbd5168
--- /dev/null
+++ b/UefiCpuPkg/Include/Library/CpuMmuLib.h
@@ -0,0 +1,41 @@
+/** @file
+
+  Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef CPU_MMU_LIB_H_
+#define CPU_MMU_LIB_H_
+
+#include <Uefi/UefiBaseType.h>
+
+/**
+  Maps the memory region in the page table to the specified attributes.
+
+  @param[in, out] PageTable      The pointer to the page table to update, or pointer to NULL
+                                 if a new page table is to be created.
+  @param[in]      PageWalkCfg    The page walk controller configure.
+  @param[in]      BaseAddress    The base address of the memory region to set the Attributes.
+  @param[in]      Length         The length of the memory region to set the Attributes.
+  @param[in]      Attributes     The bitmask of attributes to set, which refer to UEFI SPEC
+                                 7.2.3(EFI_BOOT_SERVICES.GetMemoryMap()).
+  @param[in]      AttributeMask  Mask of memory attributes to take into account.
+
+  @retval EFI_SUCCESS            The Attributes was set successfully or Length is 0.
+  @retval EFI_INVALID_PARAMETER  PageTable is NULL.
+  @retval EFI_UNSUPPORTED        *PageTable is NULL.
+**/
+EFI_STATUS
+EFIAPI
+MemoryRegionMap (
+  IN OUT UINTN                 *PageTable  OPTIONAL,
+  IN     UINT64                PageWalkCfg,
+  IN     EFI_PHYSICAL_ADDRESS  BaseAddress,
+  IN     UINT64                Length,
+  IN     UINT64                Attributes,
+  IN     UINT64                AttributeMask
+  );
+
+#endif // CPU_MMU_LIB_H_
diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 571b59b36f..ca744fab55 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -72,6 +72,10 @@ [LibraryClasses.RISCV64]
   ##
   RiscVMmuLib|Include/Library/BaseRiscVMmuLib.h

+[LibraryClasses.LoongArch64]
+  ##  @libraryclass  Provides functions for the memory management unit.
+  CpuMmuLib|Include/Library/CpuMmuLib.h
+
 [Guids]
   gUefiCpuPkgTokenSpaceGuid      = { 0xac05bf33, 0x995a, 0x4ed4, { 0xaa, 0xb8, 0xef, 0x7a, 0xe8, 0xf, 0x5c, 0xb0 }}
   gMsegSmramGuid                 = { 0x5802bce4, 0xeeee, 0x4e33, { 0xa1, 0x30, 0xeb, 0xad, 0x27, 0xf0, 0xe4, 0x39 }}
--
2.27.0



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  reply	other threads:[~2024-04-15  2:10 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-12  7:32 [edk2-devel] [PATCH v3 00/13] Part 2 patch set to add LoongArch support into UefiCpuPkg Chao Li
2024-04-12  7:33 ` [edk2-devel] [PATCH v3 01/13] UefiCpuPkg/CpuTimerLib: Reorder the INF file alphabetically Chao Li
2024-04-12  7:33 ` [edk2-devel] [PATCH v3 02/13] UefiCpuPkg/CpuExceptionHandlerLib: Reorder the INF files alphabetically Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 03/13] UefiCpuPkg/MpInitLib: " Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 04/13] UefiCpuPkg/CpuDxe: Reorder the INF file alphabetically Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 05/13] UefiCpuPkg: Add LoongArch64 CPU Timer instance Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 06/13] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 07/13] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg Chao Li
2024-04-15  2:10   ` Ni, Ray [this message]
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 08/13] UefiCpuPkg: Added a new PCD named PcdLoongArchExceptionVectorBaseAddress Chao Li
2024-04-15  2:10   ` Ni, Ray
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 09/13] UefiCpuPkg: Add CpuMmuLib to UefiCpuPkg Chao Li
2024-04-15  2:11   ` Ni, Ray
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 10/13] UefiCpuPkg: Add a new GUID to store the processors resource Chao Li
2024-04-15  2:10   ` Ni, Ray
2024-04-16  1:50     ` Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 11/13] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 12/13] UefiCpuPkg: Add CpuDxe driver " Chao Li
2024-04-15  2:12   ` Ni, Ray
2024-04-12  7:34 ` [edk2-devel] [PATCH v3 13/13] UefiCpuPkg/UefiCpuPkg.dsc: Add CpuMmio2Dxe.inf to LoongArch64 field Chao Li
2024-04-15  2:14   ` Ni, Ray
2024-04-15  2:15 ` [edk2-devel] [PATCH v3 00/13] Part 2 patch set to add LoongArch support into UefiCpuPkg Ni, Ray

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